const path = require('path');
/**
 * @param {Egg.EggAppInfo} appInfo app info
 */
module.exports = appInfo => {
 /**
 * built-in config
 * @type {{security: {csrf: {headerName: string}}}}
 **/
 const config = exports = {
 security: {
 csrf: {
 enable: false,
 },
 },
 };


 // 验证规则
 config.validate = {
 convert: true,
 widelyUndefined: true,
 };

 // use for cookie sign key, should change to your own and keep security
 config.keys = appInfo.name + '_1634002379446_8360';

 // add your middleware config here
 config.middleware = ['authority', 'auth'];

 // add your user config here
 const userConfig = {
 // myAppName: 'egg',
 };

 config.cors = {
 origin: '*',
 allowMethods: 'GET, PUT, POST,DELETE, PATCH',
 };

 // config.io = {
 // init: {}, // passed to engine.io
 // namespace: {
 // '/': {
 // connectionMiddleware: ['auth'], // 这个是连接中间件, 只在connection的时候触发
 // packetMiddleware: ['auth'], // 这个会在每次消息的时候触发
 // }
 // },
 // }

 config.cluster = {
 listen: {
 path: '',
 port: 8001,
 hostname: '0.0.0.0',
 },
 };

 config.session = {
 key: 'EGG_SESS_TOKEN',
 maxAge: 1000 * 3600, // 1 天
 httpOnly: true,
 encrypt: true,
 };

 // 设置静态目录
 config.static = {
 prefix: '/public',
 dir: [path.join(appInfo.baseDir, 'app/public')],
 dynamic: true, // 如果当前访问的静态资源没有缓存,则缓存静态文件,和`preload`配合使用;
 preload: false,
 maxAge: 31536000, // in prod env, 0 in other envs
 buffer: true, // in prod env, false in other envs
 maxFiles: 1000,
 }

 config.multipart = {
 // 表单 Field 文件名长度限制
 fieldNameSize: 100,
 // 表单 Field 内容大小
 fieldSize: '100kb',
 // 表单 Field 最大个数
 fields: 10,
 // 单个文件大小
 fileSize: '10mb',
 // 允许上传的最大文件数
 files: 10,
 whitelist: ['.txt', '.png', '.jpeg', '.jpg', '.zip', '.xls', '.ppt', '.doc', '.docx', '.pdf', '.xls', '.xlsx', '.mp4', '.wmv', '.avi', '.mov', '.flv', '.rmvb'],
 };

 config.security = {
 csrf: {
 enable: false,
 ignoreJSON: true,
 },
 domainWhiteList: [],
 };
 config.cors = {
 origin: '*',
 allowMethods: 'GET,HEAD,PUT,POST,DELETE,PATCH',
 };

 const view = exports = {
 defaultViewEngine: 'nunjucks',
 mapping: {
 '.tpl': 'nunjucks',
 },
 };

 return {
 ...config,
 ...userConfig,
 ...view,
 };
};